By this time, the Aterian lithic industry had long ceased to exist in the rest of North Africa due to the onset of the Ice Age, which in North Africa, resulted in hyperarid conditions.
22.
Studies of the variation and distribution of the Aterian have also now suggested that associated populations lived in subdivided populations, perhaps living most of their lives in relative isolation and aggregating at particular times to reinforce social ties.
23.
Although the term Aterian defines Middle Stone Age assemblages from North Africa with tanged tools, the concept of an Aterian industry obfuscates other similarities between tanged tool assemblages and other non-Aterian North African assemblages of the same date.
24.
Although the term Aterian defines Middle Stone Age assemblages from North Africa with tanged tools, the concept of an Aterian industry obfuscates other similarities between tanged tool assemblages and other non-Aterian North African assemblages of the same date.
25.
Although the term Aterian defines Middle Stone Age assemblages from North Africa with tanged tools, the concept of an Aterian industry obfuscates other similarities between tanged tool assemblages and other non-Aterian North African assemblages of the same date.
26.
Several others have not been dated or have been dated unreliably; these include the Lupemban technocomplex of central Africa, the Bambatan in southeast Africa, 70-80ka, and the Aterian technocomplex of northern Africa, 160-90ka.
27.
For instance, in the Atlas Mountains of northwest Africa, the end of the Upper Paleolithic period coincides with the end of the Aterian tradition of producing laminar microliths, and deposits can be dated by the presence or absence of these artifacts.
28.
Haplogroup A1a is observed in southern and central Moroccan Berbers at 3 % . related to the Homo-sapien Presence in North-west African Aterian and Mousterian Industries, one of The oldest Human branching event, is thought to have occurred about 140, 000 years ago.